Assessment of geogenic input into Bilina stream sediments (Czech Republic)
Jazyk angličtina Země Nizozemsko Médium electronic
Typ dokumentu časopisecké články
PubMed
30694388
DOI
10.1007/s10661-019-7255-0
PII: 10.1007/s10661-019-7255-0
Knihovny.cz E-zdroje
- Klíčová slova
- Czech Republic, Enrichment factor, Origin of geogenic elements, River Bílina, Stream sediments,
- MeSH
- chemické látky znečišťující vodu analýza MeSH
- geologické sedimenty chemie MeSH
- monitorování životního prostředí metody MeSH
- řeky chemie MeSH
- těžba uhlí MeSH
- těžké kovy analýza MeSH
- uhlí analýza MeSH
- znečištění životního prostředí analýza MeSH
- Publikační typ
- časopisecké články MeSH
- Geografické názvy
- Česká republika MeSH
- Německo MeSH
- Názvy látek
- chemické látky znečišťující vodu MeSH
- těžké kovy MeSH
- uhlí MeSH
Over the past 100 years, the area along the River Bílina has been influenced by open-cast brown-coal mining, coal processing, petroleum refineries, and chemical plants. As a result, the extensive industrial activity has changed the overall character as well as the morphology of the landscape. A survey was underway to investigate the occurrence and distribution of various elements in the sediments of the River Bílina-a tributary of the River Elbe, a watercourse running through the Czech Republic and Germany-in order to discern the natural background from anthropogenic pollution. The study evaluated the content of selected elements (As, Zn, Pb, Cr, Ni, V, and Cu) in stream sediments of the River Bílina. Samples were taken at 20 sampling sites throughout the 82-km-long watercourse. For all the samples, the content of the elements was determined using ICP-MS after each of the sample was digested using HF and HNO3. The results of analyses of elemental composition of stream sediments were compared with those found through such analyses made within the surrounding geological units-more specifically, Proterozoic crystalline, Tertiary volcanic, Quaternary loess, Neogene sediments, and Neogene coal. All the samples of the stream sediments examined revealed increased amounts of As, V, Ni, Cr, and Pb. Using the enrichment factor established on the basis of the regional geological background values proved that elevated levels of elements in stream sediments are not always the result of industrial contamination.
Czech Geological Survey Brno Czech Republic
Department of Geography Masaryk University Brno Czech Republic
Department of Geological Sciences Masaryk University Brno Czech Republic
Research Centre for Toxic Compounds in the Environment Masaryk University Brno Czech Republic
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